Katy, TX Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Katy, TX in one place.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Katy, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 20, 2026 2:43 AM CDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for Katy, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 2:43 AM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Katy
Saturday looks like the warmest upcoming period in Katy at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph SE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 2:43 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 15 mph
SE
|
|
Thursday Night
Apr 23
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
71°F |
10 to 15 mph
SE
|
|
Friday
Apr 24
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
S
|
|
Friday Night
Apr 24
|
Slight Chance Showers And Thunderstorms
|
70°F |
5 to 10 mph
S
|
|
Saturday
Apr 25
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
S
|
|
Saturday Night
Apr 25
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
70°F |
5 to 10 mph
S
|
|
Sunday
Apr 26
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Katy.
